2513913956 has 6 divisors (see below), whose sum is σ = 4399349430. Its totient is φ = 1256956976.

The previous prime is 2513913943. The next prime is 2513913989. The reversal of 2513913956 is 6593193152.

It can be written as a sum of positive squares in only one way, i.e., 1720590400 + 793323556 = 41480^2 + 28166^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314239241 + ... + 314239248.

It is an arithmetic number, because the mean of its divisors is an integer number (733224905).

Almost surely, 2^2513913956 is an apocalyptic number.

It is an amenable number.

2513913956 is a deficient number, since it is larger than the sum of its proper divisors (1885435474).

2513913956 is a wasteful number, since it uses less digits than its factorization.

2513913956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628478493 (or 628478491 counting only the distinct ones).

The product of its digits is 218700, while the sum is 44.

The square root of 2513913956 is about 50138.9464987050. The cubic root of 2513913956 is about 1359.7220373391.

The spelling of 2513913956 in words is "two billion, five hundred thirteen million, nine hundred thirteen thousand, nine hundred fifty-six".